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【多选题】
测量仪器中的主要机械部件包括( )几部分。A.
轴系
B.
基座
C.
照准
D.
制动和微动设备
E.
螺旋
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举一反三
【单选题】……………………… British Airways has outsourced a lot of its IT work in an attempt to cut costs. Many airlines are now charging for checked-in baggage. While the legacy carriers have had a significantly larg...
A.
Other airlines have been forced to make efficiencies so that they can compete with the LCCs.
B.
Legacy carriers have a much larger proportion of business travellers than LCCs.
C.
Outsourcing is an effective strategy used by airlines to reduce costs, so they can compete with LCCs.
D.
【单选题】General Admin department receives 20% services of Employee Relations department, while General Admin renders (gives) 12% of its services to Employee Relations. If Employee Relations department costs a...
A.
E = $28,000 + .12 ($75,000 + .20E) G = $75,000 + .20E
B.
E = $75,000 + .12 ($75,000 + .20E) G = $28,000 + .20E
C.
E = $28,000 + .12 ($75,000) G = $75,000 + .20E ($28,000)
D.
E = $28,000 + .12 ($75,000 + .20E) G = $75,000 + .12E
【单选题】While its costs are minimal compared to those of other forms of promotion, publicity is not entirely cost-free. Could you replace minimal for_______?
A.
minor
B.
minute
C.
least
D.
slight
【单选题】球旁细胞由下列哪种成分演变而成?
A.
出球微动脉的内皮细胞
B.
入球微动脉的内皮细胞
C.
近曲小管上皮细胞
D.
球外系膜细胞
E.
进血管极处入球微动脉的平滑肌细胞
【单选题】下列关于压力感受性反射的叙述,哪一项是错误的
A.
感受器的适宜刺激是动脉壁的机械牵张
B.
传入神经是窦神经和主动脉神经
C.
动脉血压升高时可通过反射使血压下降
D.
切断传入神经后动脉血压明显升高
【单选题】球旁细胞由下列哪种成分演变而成的
A.
出球微动脉的内皮细胞
B.
入球微动脉的内皮细胞
C.
近曲小管上皮细胞
D.
远曲小管上皮细胞
E.
近血管极处入球微动脉的平滑肌细胞
【单选题】下列关于压力感受性反射的叙述,哪一项是错误的
A.
感受器的适宜刺激是动脉壁的机械牵张
B.
传入神经是窦神经和迷走神经
C.
切断传入神经后动脉血压明显升高
D.
动脉血压升高时可通过反射使血压下降
E.
对正常血压的维持具有重要的意义
【简答题】轴上安装零件有确定的位置，所以要对轴上的零件进行（）固定和（）固定。
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